- Close the port if nothing on the host needs it.
- Identify the process that listens on it (commands below) before opening it in a firewall.
- Expose a service only to the networks that use it.
Port 11623: EMC XtremSW distributed config
Port 11623 is assigned by IANA to emc-xsw-dconfig (EMC XtremSW distributed config).
11623
How emc-xsw-dconfig works
Other servicesThe client sends a request to port 11623 and the emc-xsw-dconfig service answers.
- Transport
- TCP
- Exposure risk
- not rated depends on the program listening
- Encryption
- Unknownnot stated by the registry
- IANA status
- Assigned1 registered service
- Range
- Registered (1024-49151)
- Category
- Other services
Is port 11623 dangerous?
We have no specific security note for port 11623. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 11623
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| emc-xsw-dconfig | 11623 | TCP | EMC XtremSW distributed config | - | 2013-09-18 |
| - | 11623 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 11623, and is it reachable?
Linux
sudo ss -ltnup 'sport = :11623' # process listening on 11623
sudo lsof -nP -i :11623macOS
sudo lsof -nP -i :11623
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 11623 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 11623 netstat -ano | findstr :11623
From another machine
nmap -p 11623 -sV <host> nc -zv <host> 11623
Block it in the firewall
sudo ufw deny 11623/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 11623" -Direction Inbound -LocalPort 11623 -Protocol TCP -Action Block # Windows
What is port 11623 used for?
Port 11623 is assigned by IANA to emc-xsw-dconfig (EMC XtremSW distributed config).
Is port 11623 TCP or UDP?
Port 11623 is registered for TCP.
Is it safe to open port 11623?
It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.
How do I check if port 11623 is open?
On Linux run "ss -ltnup 'sport = :11623'", on macOS "lsof -nP -i :11623", and on Windows "netstat -ano | findstr :11623" to see the local process. From another machine, "nmap -p 11623 <host>" shows whether it is reachable.
Other other services ports
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp